{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "trigger": true, "arguments": ["Treatment.Route", "Subject.Age", "Subject.Race", "Combination.Drug", "Treatment.Time_elapsed", "Subject.Population", "Effect", "Treatment.Freq", "Treatment.Dosage", "Subject"]}, {"event_type": "adverse event", "trigger": true, "arguments": ["Subject.Race", "Treatment.Time_elapsed", "Subject.Disorder", "Treatment.Route", "Subject.Gender", "Combination.Drug", "Subject.Age", "Treatment.Disorder", "Treatment", "Treatment.Freq", "Treatment.Drug", "Effect", "Subject", "Treatment.Duration", "Treatment.Dosage", "Subject.Population"]}], "input": "Unintended exposure to acyclovir early in pregnancy, which is not uncommon, may cause excessive maternal and physician anxiety."}
{"potential therapeutic event": [], "adverse event": [{"trigger": "cause ", "arguments": {"Subject.Race": "NAN", "Treatment.Time_elapsed": "NAN", "Subject.Disorder": "NAN", "Treatment.Route": "NAN", "Subject.Gender": "NAN", "Combination.Drug": "NAN", "Subject.Age": "NAN", "Treatment.Disorder": "NAN", "Treatment": "Unintended exposure to acyclovir", "Treatment.Freq": "NAN", "Treatment.Drug": "acyclovir", "Effect": "excessive maternal and physician anxiety", "Subject": "NAN", "Treatment.Duration": "NAN", "Treatment.Dosage": "NAN", "Subject.Population": "NAN"}}]}